參數(shù)資料
型號: ADV7152LS85
廠商: ANALOG DEVICES INC
元件分類: 顯示控制器
英文描述: CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
中文描述: PALETTE-DAC DSPL CTLR, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 6/32頁
文件大小: 454K
代理商: ADV7152LS85
ADV7152
–6–
REV. B
SCKIN
END OF SCAN
LINE (N)
t
13
SCKOUT
START OF SCAN
LINE (N+1)
BLANKING PERIOD
t
15
t
14
BLANK
*INCLUDES PIXEL DATA (R0-R7, G0-G7, B0-B7); PALETTE SELECT INPUTS (PS0-PS1); SYNC; BLANK
Figure 7. Video Data Shift Clock Input (SCKIN) & BLANK vs. Video Data Shift Clock Output (SCKOUT)
CLOCK
t
17
10 %
BLACK LEVEL
50 %
90 %
t
16
t
18
WHITE LEVEL
FULL SCALE
TRANSITION
ANALOG
OUTPUTS
IOR, IOR
IOG, IOG
IOB, IOB
I
PLL
, SYNCOUT
NOTE:
THIS DIAGRAM IS NOT TO SCALE. FOR THE PURPOSES OF CLARITY,
THE ANALOG OUTPUT WAVEFORM IS MAGNIFIED IN TIME AND
AMPLITUDE W.R.T. THE CLOCK WAVEFORM.
I
PLL
AND SYNCOUT ARE DIGITAL OUTPUT SIGNALS. t
16
IS THE ONLY
RELEVANT OUTPUT TIMING SPECIFICATION FOR I
PLL
AND SYNCOUT.
Figure 8. Analog Output Response vs. CLOCK
AAAAAAAAAAA
CONTROL DATA
AA
AA
AA
AA
AA
R/W = 1
t
20
VALID
AA
t
23
AAAAAA
AAAAAAAA
t
26
t
27
D0–D9
(READ MODE)
D0–D9
(WRITE MODE)
CE
R/W, C0, C1
R/W = 0
t
19
t
22
t
25
t
24
Figure 9. Microprocessor Port (MPU) Interface Timing
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